An economical air hammer with a longer piston stroke, this tool is designed for exhaust work, bolt cutting, and front-end work. The trigger control and a built-in power regulator give you full control of the speed and power. Stroke length: 3-1/2"; Average air consumption: 3 cfm; sound dBA: 103.5/116.5; air inlet NPTF: 1/4"; minimum hose size: 3/8"; weight: 4.1 lbs.; Length: 9.9"